Finding the Fourth Proportional to 318,768.75, 439,900.88 and 175,528.49
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Solution
The fourth proportional to 318,768.75, 439,900.88 and 175,528.49 is: 242,229.31
Step by Step Solution
- Step 1: Write the proportion equation
318,768.75 : 439,900.88 = 175,528.49 : x - Step 2: Convert to fraction form
318,768.75/439,900.88 = 175,528.49/x - Step 3: Cross multiply
318,768.75x = 439,900.88 × 175,528.49 - Step 4: Simplify right side
318,768.75x = 77,215,134,138.92 - Step 5: Solve for x
x = 77,215,134,138.92/318,768.75 - Step 6: Final answer
x = 242,229.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.